Mathematics High School

To complete step 3, which expression must fill in each blank space?
A.) cos(A)cos(B)
B.) cos(A)sin(B)
C.) Sin(A)cos(B)
D.) sin(A)sin(B)

To Complete Step 3, Which Expression Must Fill In Each Blank Space?A.) Cos(A)cos(B)B.) Cos(A)sin(B)C.)

Answers

Answer 1

Answer:

The answer is A    cos(A)cos(B)

Step-by-step explanation:

I just took it

Answer 2

The expression which must fill in each blank space to complete step 3 is; Choice B; Cos(A)Cos(B).

Which expression must fill in each blank space?

From the task content; It follows that the mathematical evaluation is in a bid to derive the Trigonometric identity for Tan (A-B).

From observation, it follows that the required expression is; cos(A)sin(B). This is because upon division of each term by the expression, the result is as in Step 4.

Read more on Trigonometric identities;

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Related Questions

4. Round to the nearest hundredths
11.658

Answers

Answer:

11.758

Step-by-step explanation:

Answer:

12.000

Step-by-step explanation:

What is the value of |– 4.25|?

Answers

Answer:

4.25

Step-by-step explanation:

|– 4.25| change to 4.25 and that's how it works

The required value of the expression given of absolute function is 4.25.

Given that,
An expression is given |-4.25|, a simplified value of the expression is to be determined.

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
The given expression consists of an absolute function,
So the property of an absolute function is to give an outcome of positive values of the existing value always,
Following the above property,
= |-4.25|
Simplifying
= 4.25

Thus, the required value of the expression given is 4.25.

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HELPPP

Match the picture to the reason that would prove the triangles congruent.

Options:
NONE
ASA
SSS
SAS
AAS
HL

Answers

Answer:

HL (Hypotenuse Leg)

Step-by-step explanation:

You have BC=CD (Because of reflexive property), AC=DC, and measure of BAC is equal to the measure of BDC, which is 90 degrees. Since these triangles are right and they have a hypotenuse and a leg congruent, you can say that they are congruent because of HL.

Write a system of equations that has a sum of 1 and a difference of 9

Answers

Answer:

1 + 0 = 1

100 - 91 = 9

Step-by-step explanation:

1+0=1
100-91=9
Hope this helps

Isaac and Shonda can rent a canoe for $12 per hour and a mountain bike for $9 per hour. Together, they have $138 to spend. Let c represent the number of hours a canoe is
rented and let m represent the number of hours a mountain bike is rented. Which inequality can Isaac and Shonda use if they decided to rent a canoe and two mountain bikes?

Answers

Answer:

12c + 9m ≤ 138

Step-by-step explanation:

Answer:b. 12c+9m less than or equal to 138

Step-by-step explanation:

what is 111 × 111 ÷ 14 ​

Answers

880.0714285714286 on my calculator

But I guess it rounds to 880.7 or 881

Answer:

880.071428571

Step-by-step explanation:

You could use a calculator btw but its ok happy to help :D

Bradley estimated the height of a tree at 2.5 meters. Carla estimated that tree's height at 8 feet.

How could a conversion ratio be used to compare Bradley's and Carla's estimates of the tree's height when measured in feet? (1 foot = 0.305 meters)

Answers

Answer: 4.1 feet : 4 feet

Step-by-step explanation:

From the question, we are informed that Bradley estimated the height of a tree at 2.5 meters. Carla estimated that tree's height at 8 feet.

The conversion ratio be used to compare Bradley's and Carla's estimates of the tree's height when measured in feet goes thus:

Since 1 feet = 0.305 meters

2.5 meters will be = 2.5/0.305 = 8.2 feet

Therefore the conversion ratio will be:.

= 8.2 : 8

Reducing to lowest term will be

= 4.1 feet : 4 feet.

= 4.1 : 4

9 of 9
A glass is 1/3 full. Then 75cm3 of orange juice is poured in.
The glass is now 3/4 full. What is the total volume of the glass?

Answers

Step-by-step explanation:

1/3 divide by 75cm3=?  

divide and see what u get

Is -7 greater or less than 15,771??

Answers

Answer:

less

Step-by-step explanation:

It is less than 15771

What is the slope of this line? ​

Answers

Answer:

1/5

Step-by-step explanation:

Up 1, over 5

I need help with these

Answers

Answer:

Step-by-step explanation:

5)               -7 (-15w + 21) + 3(18 - 27w)

Step 2:        105w - 81w - 147 + 54

6)      

step 3:       24w - 93

Find one or more sequences of rigid motions and dilations that will map ABC to DEF Often, there is more than one sequence that will
nap a prelmage to a similar image. The table below provides spaces for two different sequences.
Begin by setting the scale factor of each dilation equal to the ratio you computed in question 1. Then find the rigid transformations needed to
complete the mapping Perform the transformations in GeoGebra to check your sequences.

Answers

Answer:

see photo attached

Step-by-step explanation:

edmentum/plato

Answer:

1. reflect abc across y-1, reflect the image across x=4, translate the image 2 units to the right and 0.5 units up rotate the image 90 degrees counter clockise about point D, dilate the image with respect to point d by a sale facter of 1.5

2.translate abc 6 units to the right and 3.5 units down, dilate the image with respect to point 8 by a scale factor of 1.5, rotate the image 90 degrees clockwise about point b

Step-by-step explanation:

im saving you the typing time :)

HELP ASAP PLEASE
Given that these two triangles are similar, what is the measure of A?

A)20°

B)35°

C)55°

D)90°

Answers

i believe the answer is letter D
Answer is D

Hope this helped :)

There are 3 girls and 4 boys taking music lessons. Write the ratio that compares the number of boys taking music lessons to the total number of students taking music lessons. *

Answers

Answer:

4;7

Step-by-step explanation:

Casey is making a flower arrangement with roses r and carnations c the cost of each rose is $0.50 and the cost of each carnation is $0.10 . the arrangement has a total $20. how many of each flower did Casey put in his arrangement

Answers

Answer:

r+c=80

.50r+.10c=20

Step-by-step explanation:

each rose costs $0.50

each carnation costs $0.10

The number of roses is r, and the number of carnations is c.

the arrangement has a total of 80 flowers, so we have that:

r + c = 80

the cost is $20, so we have:

r*0.5 + c*0.1 = 20

so our system of equations is:

r + c = 80

r*0.5 + c*0.1 = 20

and we can also solve it; for this isolate one of the variables in the first equation:

r = 80 - c

now let'r replace this in the second equation:

(80 - c)*0.5 +c*0.1 = 20

40  - c*0.4 = 20

c = 20/0.4 = 50

this means that we have 50 carnations, and the other 30 are roses.

i was so lost that i almost forgot the answer was in my face

hope this help shawty

if you have s3x 365 times how much is it a day?

this was from my math book

Answers

Answer:

Okay first okay this was not from your math book people actually need help on questions and here you are.

Step-by-step explanation:

PLEASE HELPPPP!! The options are
DC= AB
AC=AC

Answers

Answer:

the 1st one

Step-by-step explanation:

because A<C are the only angle ur missing.

Answer:

DC ≅ AB

Step-by-step explanation:

Because AC ≅ AC is given, I'm gonna assume its DC ≅ AB

I know kind of weird that I'm gonna have to assume when I've given 148 answers and I'm of the rank expert, however I looked at that triangle and all of those answers are correctly proving congruence, so it makes no sense to mark you wrong because technically ALL of the sides are given

Write an
explicit formula for An, the nth term of the sequence 15, 8, 1, ....

Answers

Answer:

b(n) = 15 - 7(n - 1)

Step-by-step explanation:

15 is the y-intercept

-7 is the slope

Answer:

[tex]a_{n}[/tex] = 22 - 7n

Step-by-step explanation:

There is a common difference d between consecutive terms, that is

8 - 15 = 1 - 8 = - 7

This indicates the sequence is arithmetic with explicit formula

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 15 and d = - 7 , then

[tex]a_{n}[/tex] = 15 - 7(n - 1) = 15 - 7n + 7 = 22 - 7n ← explicit formula

Cary is having a party and can only afford to spend no more than $40 on food. She wants to order at least 3 pizzas which cost $6 a pie, and at least 2 orders of wings that cost $8 per order. Select all the inequalities she would have to graph to determine how many pizzas and wings she could order. Let x stand for the number of pizzas and y stand for the number of wings.
y ≥ 2
x ≥ 3
3 x + 8 y ≤ 40
6 x + 8 y ≤ 40
x ≤ 3
y ≤ 2
((You can select more than one))

Answers

Answer:

A. B. and D.

Step-by-step explanation:

Someone please answer this! Someone that is very good at math. Please, I will appreciate it.

If angle A and angle B are Complementary Angles and the m

Answers

Answer:

supplementary

Step-by-step explanation:

solve the following equation.

8(5-6v)= - 7 - v

Answers

Answer:

1=v

Step-by-step explanation:

40-48v=-7-v

+48v     +48v

_____________

40=-7+47v

+7  +7

_____________

47=47v

÷47     ÷47

____________

1=v

Hope this helps :3

Susan owes $15,000 in student loans. She pays $150 toward the debt every month. Represent the total amount that she owes as a function of months (x) after each payment?

Answers

Answer:

f(x) = 15000 - 150x

Step-by-step explanation:

Given that:

Initial Amount owed = $15000

Amount payed towards debt per month = $150

Total amount owed as a function of month(x) after each payment :

F(x) = Initial amount owed - (amount paid per month * number of month)

Let number of month = x

f(x) = 15000 - 150x

Hence, the function ;

f(x) = 15000 - 150x represents the total amount owed after each payment.

Help with this math Please and I appreciate it so much if u did

Answers

Answer:

1.x+6

2.3.3c --8.2

3.11x -- 1/4

4.9x+5

5.x+14.4/2

Step-by-step explanation:

One tub of dried cranberries costs $4. How many tubs can you buy for $12?

Answers

Answer:

3

Step-by-step explanation:

girl honestly how does this question even come up

anyways you do 12 divided by 4 to get 3

Help ASAP plsssssssssssssssssssssss

Answers

Answer:

Step-by-step explanation: idk

Answer:

5/18

Step-by-step explanation:

you start by multiplying the fraction and getting 25/90 then simplify by dividing the numerator and denominator by 5.

Use f(x)=-4x+1, g(x)=x^2-8x+21, and h(x)=║9-3x║ for these equations.
Find g(-5)
Find g(x+4)
If f(x)=53, find x.

Answers

Step-by-step explanation:

For each problem, plug in the values, then simplify.

g(x) = x² − 8x + 21

g(-5) = (-5)² − 8(-5) + 21

g(-5) = 25 + 40 + 21

g(-5) = 86

g(x) = x² − 8x + 21

g(x+4) = (x+4)² − 8(x+4) + 21

g(x+4) = x² + 8x + 16 − 8x − 32 + 21

g(x+4) = x² + 5

f(x) = -4x + 1

53 = -4x + 1

52 = -4x

x = -13

Answer this correctly and get brainliest. Answer correctly please and thank you.

Answers

Answer:

B and D

Step-by-step explanation:

40/1000 is equal to 4/100 which is 4% ._. not correct

50/33 is equal to 1 17/33 which like 1.5151515151515...

1/3 is equal to 33.3333333333%

or 0.33333333333333....

PLs help me!!
I'll mark you y'all brainliest!!

Answers

Answer:

There are 6 divisions once you change it to add 5/6 on the line!

Step-by-step explanation:

Hope this helps!

Help me pleaseeeeee!!!!

Answers

Answer: <5 is congruent to <6 and <1 is congruent to <2. A) and C)

In what country would one be able to see a fjord? A. Argentina B. Suriname C. Colombia D. Brazil

Answers

Argentina hope it helps dude

Answer:

Argentina

Step-by-step explanation:

this is the correct answer

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